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# Copyright (c) 2023-present The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or https://opensource.org/license/mit/.
if(NOT MSVC)
find_program(CCACHE_EXECUTABLE ccache)
if(CCACHE_EXECUTABLE)
execute_process(
COMMAND readlink -f ${CMAKE_CXX_COMPILER}
OUTPUT_VARIABLE compiler_resolved_link
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(CCACHE_EXECUTABLE STREQUAL compiler_resolved_link AND NOT WITH_CCACHE)
list(APPEND configure_warnings
"Disabling ccache was attempted using -DWITH_CCACHE=${WITH_CCACHE}, but ccache masquerades as the compiler."
)
set(WITH_CCACHE ON)
elseif(WITH_CCACHE)
list(APPEND CMAKE_C_COMPILER_LAUNCHER ${CCACHE_EXECUTABLE})
list(APPEND CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE_EXECUTABLE})
endif()
else()
set(WITH_CCACHE OFF)
endif()
if(WITH_CCACHE)
try_append_cxx_flags("-fdebug-prefix-map=A=B" TARGET core_interface SKIP_LINK
IF_CHECK_PASSED "-fdebug-prefix-map=${PROJECT_SOURCE_DIR}=."
)
try_append_cxx_flags("-fmacro-prefix-map=A=B" TARGET core_interface SKIP_LINK
IF_CHECK_PASSED "-fmacro-prefix-map=${PROJECT_SOURCE_DIR}=."
)
endif()
endif()
mark_as_advanced(CCACHE_EXECUTABLE)
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